Generator comprising a variable speed magnetic gear
US10122309B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 23, 2015 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Feb 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A generator comprising a magnetic gear, the magnetic gear comprising a stationary member comprising a set of electromagnets, a first moveable member comprising a set of magnets, and a second moveable member disposed between the first moveable member and the stationary member. The second moveable member comprises a set of core members. The first and second moveable members are magnetically coupled to define a gear ratio therebetween and the electromagnets are operable to control the gear ratio. The stationary member comprises a stator of the generator and the first moveable member comprises an armature of the generator, wherein the armature is arranged to induce an electrical current in a set of generator windings disposed around the stator. The second moveable member comprises an input means arranged to receive a drive force. The gear ratio is variable, such that a variable output speed may be produced for a given input speed. In this way, the electrical output of the generator is decoupled from the input speed, so as to provide sufficient power for a range of input speeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.